The Tier1 20" x 4.5" Spun Wound Polypropylene Filter (1 Micron) provides superior whole-house water filtration, efficiently capturing fine particles such as sand, silt, and rust. Designed as a Pentek DGD-2501-20 comparable filter, this cartridge fits standard 20" x 4.5" housings and delivers clean, great-tasting water for your entire home. Its durable polypropylene construction resists bacterial growth, ensuring consistent performance for both municipal and well water sources.
